/* ============================================
   HYDROSENSE MONITOR - Nord Light tema
   ============================================ */

:root {
    /* Nord Light Color Palette */
    --color-bg-primary: #ECEEF4;      /* Light background */
    --color-bg-secondary: #E4E8F0;    /* Secondary background */
    --color-bg-tertiary: #D7DDE8;     /* Tertiary background */
    
    --color-text-primary: #4D576A;    /* Main text */
    --color-text-secondary: #454D5E;  /* Secondary text */
    --color-text-tertiary: #3E4453;   /* Tertiary text */
    --color-text-dark: #323742;       /* Dark text */
    
    /* Semantic Colors */
    --color-risk-low: #A3BE8C;        /* Green */
    --color-risk-medium: #EBCB8B;     /* Yellow/Orange */
    --color-risk-high: #BF616A;       /* Red */
    --color-accent: #81A1C1;          /* Frost Blue */
    --color-accent-light: #88C0D0;    /* Cyan */
    
    /* Shadows - minimal */
    --shadow-sm: 0 1px 2px rgba(50, 55, 66, 0.03);
    --shadow-md: 0 2px 4px rgba(50, 55, 66, 0.06);
    --shadow-lg: 0 4px 8px rgba(50, 55, 66, 0.08);
    --shadow-xl: 0 8px 16px rgba(50, 55, 66, 0.1);
    
    /* Transitions */
    --transition-fast: 100ms ease-out;
    --transition-normal: 180ms ease-out;
    --transition-slow: 300ms ease-out;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
}

/* Dark Theme Override - Catppuccin Mocha (soft, low contrast with light theme) */
body.dark-theme {
    /* Deep slate + muted teal accent */
    --color-bg-primary: #0f141c;
    --color-bg-secondary: #19212b;
    --color-bg-tertiary: #232c3a;
    --color-text-primary: #d7e1ee;
    --color-text-secondary: #b1bed1;
    --color-text-tertiary: #93a3b8;
    --color-text-dark: #f2f6fb;

    /* Semantic colors (cooler, calmer) */
    --color-risk-low: #7bcf9f;
    --color-risk-medium: #f0c36a;
    --color-risk-high: #e07a7a;
    --color-accent: #5fb3c4;
    --color-accent-light: #7fd3cf;
}

/* ====== RESET & BASE STYLES ====== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

/* Ana body ayarları */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    font-size: 14px;
}

/* ====== TOP NAVBAR (STICKY) ====== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-bg-tertiary);
    transition: all var(--transition-fast);
    box-shadow: 0 1px 3px rgba(50, 55, 66, 0.04);
    background-color: rgba(228, 232, 240, 0.98);
    height: 70px;
}

body.dark-theme .navbar {
    background-color: rgba(19, 26, 35, 0.92);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) calc(var(--spacing-lg) * 1.5);
    max-width: 100%;
    margin: 0 auto;
    height: 70px;
}

.navbar-left {
    flex: 0 0 auto;
    margin-right: auto;
}

.navbar-logo-section {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    cursor: pointer;
}

.mobile-only {
    display: none;
}

.navbar-logo {
    width: 70px;
    height: 70px;
    opacity: 0.85;
    transition: opacity var(--transition-fast);
    filter: brightness(0.9);
    object-fit: contain;
    object-position: center;
}

.navbar-logo-section:hover .navbar-logo {
    opacity: 1;
}

.navbar-title {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.2px;
    opacity: 0.92;
}

.navbar-center {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 0 0 auto;
}

.navbar-btn {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 1.125rem;
    padding: var(--spacing-sm);
    border-radius: 4px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.navbar-btn-label {
    font-size: 0.78rem;
    font-weight: 600;
    margin-left: 0.4rem;
    white-space: nowrap;
}

.navbar-btn#readDeviceBtn,
.navbar-btn#sendServerBtn {
    width: auto;
    padding: 0.45rem 0.65rem;
}

.navbar-btn:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-accent);
}

.navbar-btn:active {
    transform: scale(0.95);
}

/* ====== MODE TOGGLE (NAVBAR CENTER) ====== */
.mode-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.35rem;
    border-radius: 12px;
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-bg-tertiary);
    box-shadow: var(--shadow-sm);
}

.mode-toggle-btn {
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    padding: 0.45rem 0.9rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    letter-spacing: -0.1px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.mode-toggle-btn:hover {
    color: var(--color-text-dark);
}

.mode-toggle-btn.active {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-sm);
}

.mode-toggle-btn i {
    font-size: 0.95rem;
    line-height: 1;
}

/* ====== MAIN CONTAINER ====== */
/* Navbar, Sidebar ve Content Area'yı düzenleyen Ana Container */
.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
    gap: 0;
}

/* ====== SIDEBAR PANEL ====== */
/* Sol taraftaki navigasyon paneli */
.sidebar-panel {
    width: 280px;
    min-width: 280px;
    background-color: var(--color-bg-secondary);
    border-right: 1px solid var(--color-bg-tertiary);
    display: flex;
    flex-direction: column;
    transition: width 250ms cubic-bezier(0.4, 0, 0.2, 1), min-width 250ms cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(50, 55, 66, 0.04);
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
}

.sidebar-overlay {
    position: fixed;
    inset: 70px 0 0 0;
    background: rgba(50, 55, 66, 0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: 800;
}

body.sidebar-open .sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
}

/* Mini/Collapsed state - Sidebar 60px'e küçülür */
.sidebar-panel.collapsed {
    width: 60px;
    min-width: 60px;
}

.sidebar-panel.collapsed .sidebar-header {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-sm);
    justify-content: center;
    border-right: none;
    flex-direction: column;
    gap: var(--spacing-md);
}

.sidebar-panel.collapsed .sidebar-header h3 {
    display: none;
}

.sidebar-panel.collapsed .sidebar-toggle {
    transform: rotate(180deg);
    transition: transform var(--transition-normal);
}

/* Gizle: Navigation, Footer - Smooth opacity transition ile */
.sidebar-panel.collapsed .sidebar-nav {
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease-in-out;
}

.sidebar-panel.collapsed .sidebar-footer {
    opacity: 0;
    pointer-events: none;
    transition: opacity 200ms ease-in-out;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-bg-tertiary);
    flex-shrink: 0;
}

.sidebar-mode-toggle {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-bg-tertiary);
    display: none;
}

/* Sidebar başlığı - "📊 Kontrol Merkezi" */
.sidebar-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

/* Sidebar açma/kapama butonu */
.sidebar-toggle {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: 0.875rem;
    padding: var(--spacing-sm);
    border-radius: 3px;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-accent);
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md) 0;
    opacity: 1;
    transition: opacity 200ms ease-in-out 50ms;
}

/* Sidebar Footer - Alt kısım */
.sidebar-footer {
    opacity: 1;
    transition: opacity 200ms ease-in-out 50ms;
}

/* Navigation section - her bölüm */
.nav-section {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.nav-section:last-child {
    border-bottom: none;
}

/* Section başlığı */
.nav-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.nav-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text-primary);
    font-size: 0.9rem;
    user-select: none;
}

/* Navigation item hover durumu */
.nav-item:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-accent);
}

.nav-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-accent);
    flex-shrink: 0;
}

.filter-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.filter-indicator.low {
    background-color: var(--color-risk-low);
}

.filter-indicator.medium {
    background-color: var(--color-risk-medium);
}

.filter-indicator.high {
    background-color: var(--color-risk-high);
}

/* Stat Mini Cards - sidebar'da gösterilen istatistikler */
.stat-mini-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bg-primary);
    border-radius: 4px;
    border-left: 3px solid var(--color-accent);
}

.stat-mini-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: 'Monaco', 'Courier New', monospace;
}

.stat-mini-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Sensor Select */
.sensor-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sensor-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(129, 161, 193, 0.1);
}

.sensor-select:hover {
    border-color: var(--color-accent);
}

/* Navigation Button */
.nav-btn {
    width: 100%;
    padding: var(--spacing-md);
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-btn:hover {
    background-color: var(--color-accent-light);
    transition: background-color var(--transition-fast);
}

.nav-btn:active {
    opacity: 0.9;
}

.btn-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.btn-close:hover {
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
}

/* ====== CONTENT AREA ====== */
/* Ana içerik alanı - dashboard ve harita alanları */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background-color: var(--color-bg-primary);
    width: 100%;
}

/* Dashboard Section - Grafikler ve istatistikler */
.dashboard-section {
    padding: var(--spacing-xl);
    flex: 1;
    overflow-y: auto;
    display: block;
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-lg);
}

.data-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.data-status {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-tertiary);
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
}

.live-values {
    display: grid;
    grid-template-columns: repeat(3, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.live-card {
    background-color: #fff;
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 10px;
    padding: 0.75rem 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.live-label {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
}

.live-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-dark);
}

body.dark-theme .live-card {
    background-color: var(--color-bg-secondary);
}

/* Dashboard başlığı */
.dashboard-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-dark);
    letter-spacing: -0.5px;
}

/* Zaman filtreleme butonları */
.time-filter {
    display: flex;
    gap: var(--spacing-sm);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.time-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.time-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.time-btn.active {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
}

/* Charts Grid - responsive grid layout */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.farmer-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.mode-panels {
    display: block;
}

.mode-panel {
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    max-height: 0;
    overflow: hidden;
    transition: opacity 220ms ease-out, transform 220ms ease-out, max-height 240ms ease-out;
}

body[data-mode="farmer"] .mode-panel[data-mode="farmer"],
body[data-mode="academy"] .mode-panel[data-mode="academy"] {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    max-height: 3200px;
}

body[data-mode="farmer"] .time-filter[data-mode="academy"] {
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
}

/* Einzelnes chart kartı */
.chart-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: border-color var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.chart-card:hover {
    border-color: var(--color-accent);
}

.chart-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
}

.chart-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.chart-meta {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.chart-container {
    flex: 1;
    position: relative;
    min-height: 250px;
}

.chart-container canvas {
    max-width: 100%;
}

/* Stats Summary */
.stats-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.summary-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.summary-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    font-family: 'Monaco', 'Courier New', monospace;
}

/* Map Section */
.map-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--color-bg-primary);
}

.map-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-bg-tertiary);
    flex-shrink: 0;
}

.map-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-right: auto;
}

#setEspLocationBtn {
    white-space: nowrap;
}

.map-container {
    flex: 1;
    overflow: hidden;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
}

/* ====== MODAL ====== */
/* Modal overlay - arka plan karartma */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(50, 55, 66, 0.6);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    animation: fadeIn var(--transition-fast);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Modal içerik kartı */
.modal-content {
    background-color: var(--color-bg-secondary);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(50, 55, 66, 0.08);
    max-width: 500px;
    width: 100%;
    overflow: hidden;
    animation: slideUp var(--transition-fast);
}

@keyframes slideUp {
    from {
        transform: translateY(10px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Modal kapatma butonu */
.modal-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
}

/* Modal içerik alanı */
.modal-body {
    padding: var(--spacing-lg);
    color: var(--color-text-primary);
    line-height: 1.7;
}

.modal-body p {
    margin-bottom: var(--spacing-md);
}

.modal-body p:last-child {
    margin-bottom: 0;
}

/* Settings modal */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
}

.settings-card {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 10px;
    padding: var(--spacing-md);
}

.settings-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.settings-control {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.settings-card[data-settings="language"] .settings-control {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
}

.lang-btn {
    border: 1px solid var(--color-bg-tertiary);
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    padding: 0.45rem 0.75rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn.active {
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
}

.settings-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-tertiary);
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.settings-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Highlights list - make user-friendly */
.highlight-item {
    padding: 0.6rem 0.4rem;
    border-bottom: 1px dashed var(--color-bg-tertiary);
}
.highlight-item strong {
    display: block;
    font-size: 0.95rem;
    color: var(--color-text-dark);
}
.highlight-item small {
    display: block;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

/* Indicator cards for Obruk risk and Salinization */
.indicators {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}
.indicator-card {
    flex: 1 1 320px;
    background: linear-gradient(180deg, var(--color-bg-primary), var(--color-bg-secondary));
    border: 1px solid var(--color-bg-tertiary);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}
.indicator-title {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-weight: 600;
}
.indicator-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-accent);
    margin-top: 0.35rem;
}
.indicator-desc {
    margin-top: 0.4rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.indicator-meter {
    margin-top: 0.5rem;
    height: 6px;
    background-color: var(--color-bg-tertiary);
    border-radius: 999px;
    overflow: hidden;
}

.indicator-fill {
    display: block;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-risk-low), var(--color-risk-medium), var(--color-risk-high));
    transition: width var(--transition-normal);
}

/* Dark theme: use single-tone backgrounds for indicator cards (remove gradient) */
body.dark-theme .indicator-card {
    background: var(--color-bg-secondary) !important;
    border-color: var(--color-bg-tertiary) !important;
}

/* ====== LEAFLET CUSTOMIZATION ====== */
/* Leaflet harita konteyner */
.leaflet-container {
    font-family: inherit;
    background-color: var(--color-bg-primary);
    z-index: 1;
}

/* Leaflet popup pencere */
.leaflet-popup-content-wrapper {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(50, 55, 66, 0.08);
    border: 1px solid var(--color-bg-tertiary);
}

.leaflet-popup-tip {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-tertiary);
}

.leaflet-popup-content {
    margin: 0;
    font-size: 0.9rem;
}

/* Popup card styles for nicer appearance */
.popup-card {
    max-width: 300px;
    font-size: 0.92rem;
}
.popup-title {
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.45rem;
}
.popup-body {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}
.popup-sparkline {
    display: flex;
    align-items: end;
    gap: 4px;
    padding: 6px 0;
    height: 48px;
}
.popup-sparkline .spark-bar {
    display: inline-block;
    width: 6px;
    background: linear-gradient(180deg, var(--color-accent-light), var(--color-accent));
    border-radius: 2px;
    opacity: 0.95;
}
.popup-spark-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}
.popup-comment {
    font-size: 0.9rem;
    color: var(--color-text-primary);
}
.popup-risk {
    font-size: 0.9rem;
    color: var(--color-text-primary);
}
.risk-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 22px;
    color: #fff;
    font-weight: 700;
    border-radius: 4px;
    font-size: 0.9rem;
}

.leaflet-popup-content h4 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 1rem;
    color: var(--color-accent);
}

.leaflet-popup-content p {
    margin: var(--spacing-xs) 0;
    font-size: 0.85rem;
}

.leaflet-tooltip {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 4px;
    font-size: 0.85rem;
    padding: var(--spacing-sm);
}

/* ====== SCROLLBAR ====== */
/* Özel scrollbar stili */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    transition: background-color var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* ====== HIGHLIGHTS (Main area) ====== */
.highlights {
    margin-bottom: var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-bg-tertiary);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.highlights h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
}

.highlights-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.highlight-item {
    background-color: var(--color-bg-primary);
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    border-left: 3px solid var(--color-accent);
    font-size: 0.9rem;
}

.highlight-item small {
    display: block;
    color: var(--color-text-secondary);
    margin-top: 0.25rem;
}

/* Popup trend inline style */
.popup-trend {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin: 0.25rem 0;
}

/* Map placeholder inside main area */
.map-placeholder {
    padding: var(--spacing-lg);
    text-align: left;
    color: var(--color-text-primary);
}

.map-placeholder h3 {
    margin-bottom: 0.5rem;
    color: var(--color-text-dark);
}

.map-info {
    position: absolute;
    left: 16px;
    bottom: 16px;
    background: rgba(255,255,255,0.9);
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid var(--color-bg-tertiary);
    max-width: 340px;
}

/* ====== RESPONSIVE DESIGN ====== */
/* Tablet ve büyük ekranlar (1200px ve üzeri) */
@media (max-width: 1200px) {
    .charts-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }

    .navbar-container {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .dashboard-section {
        padding: var(--spacing-lg);
    }
}

/* Desktop: reset to roomy layout */
@media (min-width: 769px) {
    .navbar-container {
        flex-wrap: nowrap;
    }

    .navbar-logo {
        width: 70px;
        height: 70px;
    }

    .navbar-btn {
        width: 36px;
        height: 36px;
        padding: var(--spacing-sm);
    }

    .mode-toggle {
        width: auto;
    }

    .mode-toggle-btn {
        flex: 0 0 auto;
        padding: 0.45rem 0.9rem;
    }

    .charts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .chart-container {
        min-height: 250px;
    }

    .indicators {
        flex-direction: row;
    }

    .sidebar-panel {
        width: 280px;
        min-width: 280px;
    }

    .sidebar-mode-toggle {
        display: none;
    }
}

/* Mobil cihazlar (768px ve altı) */
@media (max-width: 768px) {
    .main-container {
        position: relative;
    }

    .navbar-container {
        gap: var(--spacing-sm);
        flex-wrap: wrap;
    }

    .navbar-center {
        order: 3;
        width: 100%;
        margin-top: var(--spacing-sm);
    }

    .navbar-right {
        order: 2;
    }

    .navbar-left {
        order: 1;
    }

    .mode-toggle {
        width: 100%;
        justify-content: center;
    }

    .mode-toggle-btn {
        font-size: 0.75rem;
        padding: 0.35rem 0.7rem;
        flex: 1;
        justify-content: center;
    }

    .navbar-center .mode-toggle {
        display: none;
    }

    .sidebar-mode-toggle {
        display: block;
    }

    .mobile-only {
        display: inline-flex;
    }

    .navbar-logo {
        width: 54px;
        height: 54px;
    }

    .navbar-logo-section {
        gap: var(--spacing-sm);
    }

    .navbar-btn {
        width: 34px;
        height: 34px;
        padding: 0;
    }

    .navbar-btn#readDeviceBtn,
    .navbar-btn#sendServerBtn {
        width: 34px;
        padding: 0;
    }

    .navbar-btn-label {
        display: none;
    }

    .mode-toggle-btn span {
        white-space: nowrap;
    }

    .sidebar-panel {
        position: fixed;
        left: 0;
        top: 70px;
        width: 84vw;
        max-width: 320px;
        height: calc(100vh - 70px);
        z-index: 900;
        border-right: 1px solid var(--color-bg-tertiary);
        box-shadow: var(--shadow-lg);
        border-bottom: none;
        transition: transform var(--transition-normal) ease-out;
        transform: translateX(0);
        margin-left: 0;
    }

    .sidebar-panel.collapsed {
        transform: translateX(calc(-100% - 12px));
        width: 84vw;
        min-width: 0;
        padding: var(--spacing-lg);
        align-items: flex-start;
    }

    .sidebar-panel.collapsed .sidebar-header h3 {
        display: block;
    }

    .sidebar-panel.collapsed .sidebar-content {
        display: block;
    }

    .sidebar-panel.collapsed .sidebar-footer {
        display: block;
    }

    .charts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .data-controls {
        width: 100%;
        justify-content: flex-start;
    }

    .live-values {
        grid-template-columns: 1fr;
    }

    .navbar-title {
        display: none;
    }

    .navbar-right {
        gap: var(--spacing-md);
    }

    .dashboard-section {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .stats-summary {
        grid-template-columns: 1fr;
    }

    .indicators {
        flex-direction: column;
    }

    .chart-card {
        padding: var(--spacing-md);
    }

    .chart-container {
        min-height: 220px;
    }

    .indicator-card {
        padding: var(--spacing-md);
    }

    .dashboard-header h2 {
        font-size: 1.4rem;
    }

    .modal-content {
        max-width: 92vw;
    }
}

/* Küçük cihazlar (480px ve altı) */
@media (max-width: 480px) {
    .navbar-container {
        padding: var(--spacing-md);
    }

    .navbar-btn {
        font-size: 1rem;
    }

    .sidebar-panel {
        width: 100%;
    }

    .dashboard-header h2 {
        font-size: 1.25rem;
    }

    .dashboard-section {
        padding: var(--spacing-md);
    }

    .chart-card {
        padding: var(--spacing-md);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .mode-toggle {
        padding: 0.25rem;
    }

    .mode-toggle-btn {
        font-size: 0.7rem;
        gap: 0.35rem;
    }
}